mọi người giúp e trạc nghiệm ạ em cảm ơn

đốt chây 19,2gam hỗn hợp magie-sắt trong đó Mg chiếm 12,5% về khối lượng.tính khối lượng oxi đã tham gia phản ứng?

3.3-Dimetylhexan xác định công thức cấu tạo hợp chất này

Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) to each of the following questions. Question 15. Australia comprises the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. A: gets B: Takes C: divides D: consists of 20 Choose the word whose stressed pattern is pronounced differently from the others. A: bamboo B: scenic C: attract D: inspire 21 Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. Question 13. Ba: “I have passed my English final exam.” Long: “……………….” A: Good luck! B: I know. C: Thank you. D: Congratulations!

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions. THE HOPI OF ARIZONA The Hopi live in the northwestern part of Arizona in the United States. With modern things all around them, the Hopi keep their traditions. There are about ten thousand Hopi and they live in twelve villages in the desert. The weather is very hot in the summer, but in winter it freezes. The wind blows hard. Farming is difficult. Corn is the Hopi’s main food, but they plant vegetables, too. They raise sheep, goats, and cattle. They also eat hamburgers, ice cream and drink soft drinks. They live in traditional stone houses, but many of them have telephones, radios, and television. They have horses, but they have trucks too. Kachinas are an important part of the Hopi religion. Kachinas are spirits of dead people, of rocks, plants, and animals, and of the stars. Men dress as kachinas and do religious dances. People also make wooden kachinas. No two wooden kachinas are ever alike. The children attend school, and they also learn the Hopi language, dances and stories. The Hopi want a comfortable, modern life, but they don’t want to lose their traditions. Question 20. The main idea of the passage is ______________. A: the Hopi raise crops and animals in the Arizona desert B: the Hopi want a comfortable, modern life C: the Hopi keep their traditions even with modern life around them D: kachinas are spirits of the things round the Hopi 17 Choose the underlined part A, B, C or D that needs correcting. Picture 12 A: A B: B C: C D: D

2 câu Choose the correct sentence made from the given words. Question 23. New Zealand/divide/the North Island/the South Island/. A: New Zealand has divided into the North Island and the South Island. B: New Zealand is divided into the North Island or the South Island. C: New Zealand divides into the North Island and the South Island. D: New Zealand is divided into the North Island and the South Island. 15 Choose the word whose stressed pattern is pronounced differently from the others. A: industrial B: similar C: museum D: iconic

ai giai hộ với ạ QKD vs HTHT

Tìm số tự nhiên n sao cho n+ 8 chia hết cho n + 1

Làm giúp em với ạ tối em nộp rồi

Một vật thể bằng sắt để ngoài trời, sau một thời gian bị gỉ. Hỏi khối lượng của vật thay đổi thế nào so với khối lượng của vật trước khi gỉ?